Effect of feeding different grain sources on the growth performance and body composition of tilapia, Oreochromis niloticus (L.)

S. M. Ai-Ogaily, N. A. Al-Asgah, A. Ali

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Abstract

Growth performance and body composition of tilapia Oreochromis niloticus (L.) fed isonitrogenous and isoenergetic diets containing different grain sources (maize, wheat, barley, sorghum and rice) at a level of 25% were studied for a period of 62 days. Fish fed a diet containing sorghum showed the maximum weight grain, highest specific growth rate (SGR, 2.23), the best feed conversion (FCR, 1.07) and protein efficiency ratio (PER 2.42) in comparison with all other diets. The diets containing maize, wheat and rice did not show any significant (P <0.05) differences between each other. The barley diet showed the poorest values (SGR, 2.05; FCR, 1.34; PER, 1.98; and NPR, 30.65) in comparison with others. Although the diet containing sorghum showed the best net protein retention (NPR, 36.21) values, the results did not differ (P > 0.05) among maize, wheat and sorghum diets. The sorghum diet produced fish with lower moisture but higher body fat contents as compared to others. The fish fed diets containing maize, wheat, barley and rice did not show any significant difference (P > 0.05) in their body moisture and fat contents. The source of grain in the diet did not affect the crude protein and ash contents of fish (P > 0.05). It is suggested that cereal grains at the 25% level can efficiently be utilized in tilapia diets, sorghum being the best.

Original languageEnglish
Pages (from-to)523-529
Number of pages7
JournalAquaculture Research
Volume27
Issue number7
Publication statusPublished - 1996

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Tilapia (Cichlidae)
Oreochromis niloticus
body composition
growth performance
diet
sorghum
wheat
maize
corn
rice
fish
barley
fish feeds
fat
lipid content
moisture
effect
protein
protein efficiency ratio
tilapia (common name)

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Effect of feeding different grain sources on the growth performance and body composition of tilapia, Oreochromis niloticus (L.). / Ai-Ogaily, S. M.; Al-Asgah, N. A.; Ali, A.

In: Aquaculture Research, Vol. 27, No. 7, 1996, p. 523-529.

Research output: Contribution to journalArticle

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